On cover: PRI Project: Sustainable Development. Symposium partners: The Water and Duncan Gordon Foundation, Agriculture and Agri-Food Canada, Environment Canada, The Canadian Water Network. "On June 14 and 15, 2004, the Policy Research Initiative, as part of its Sustainable Development Project, held a symposium on the use of economic instruments for water demand management, specifically pricing, taxes, and markets."--Page i, Preface.